package com.sysu.ooad.dao;

import java.util.List;

import com.sysu.ooad.entity.Course;
import com.sysu.ooad.entity.Group;

public interface GroupDao {
	public void add(Group group);
	public void delete(Group group);
	public int findCountOfMembers(Group group);
	public List<Group> findByCourse(Course c);
	public Group getById(Integer id);
	public void update(Group g);
	public void merge(Group g);
}
